CPT® Code 33981

An extracorporeal ventricular assist device (VAD) is a sophisticated medical apparatus designed to support heart function in patients with severe heart failure. This device comprises a mechanical pump, a control system, and an energy supply, all of which work in concert to assist the heart in circulating blood throughout the body. The term "extracorporeal" indicates that the device operates outside the body, utilizing pumps that are not implanted but rather connected to the heart via an inflow cannula and an outflow graft. The need for replacement of the pump may arise due to mechanical failure, which can compromise the device's ability to function effectively. During the replacement procedure, the existing pump is carefully disconnected from its power source, the battery pack, as well as from the inflow cannula and outflow graft. A new pump is then introduced, ensuring it is properly connected to the inflow cannula and outflow graft, allowing it to fill with blood before being reconnected to the battery pack. This process is critical for maintaining the patient's hemodynamic stability and overall health.